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(R)-2-(4-Chloro-benzyl)-2-methyl-3-oxo-butyric acid (1R,2S,5R)-5-methyl-2-(1-methyl-1-phenyl-ethyl)-cyclohexyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

192199-27-2

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192199-27-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 192199-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,2,1,9 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 192199-27:
(8*1)+(7*9)+(6*2)+(5*1)+(4*9)+(3*9)+(2*2)+(1*7)=162
162 % 10 = 2
So 192199-27-2 is a valid CAS Registry Number.

192199-27-2Downstream Products

192199-27-2Relevant academic research and scientific papers

Diastereoselective alkylation of 8-phenylmenthyl 2- methylacetoacetate. Preparation of enantiomerically pure 4,4-disubstituted 2-pyrazolin-5-ones

Moreno-Manas, Marcial,Sebastian, Rosa M.,Vallribera, Adelina,Molins, Elies,Espinosa, Enrique

, p. 1525 - 1527 (1997)

Alkylation of (1R,3R,4S)-8-phenylmenthyl 2-methylacetoacetate with alkyl halides affords 2-alkyl-2-methylacetoacetates in diastereomeric ratios 72:28 to 85:15. The major R (at C-α) diastereoisomers are converted into enantiopure 4,4-disubstituted 2-pyrazolin-5-ones with recovery of the chiral inductor.

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